Chapman out with shoulder injury

NEW YORK — Unable to pitch through pain in his shoulder that had bothered him for weeks, Yankees closer Aroldis Chapman went on the disabled list Sunday and likely will miss at least a month.

Chapman had a MRI on Saturday, a day after getting just two outs and giving up a run in the ninth inning of a 5-1 loss to the Astros.

The 29-year-old left-hander, a four-time All-Star, told Yankees manager Joe Girardi during the game that he felt fine, then went into the trainer’s room after the final out and admitted he was hurt.

The Yankees said in a statement that Chapman has rotator cuff inflammation in his left shoulder. Girardi called it tendinitis and bursitis.

“I believed that it was going to go away with the treatment that I was getting,” Chapman said through a translator. “Also, the cold weather, I thought it was affecting me a little bit. But, eventually, it got a little worse.”

Dellin Betances will close in Chapman’s absence, a role the 29-year-old right-hander filled last season after Chapman was traded to the Cubs and Andrew Miller was dealt to the Indians.

“He’s not replaceable ... you can’t replace an arm like that,” Girardi said. “You just kind of move everyone back a little bit.”

Chapman’s average fastball velocity has dropped from a major league-high 100.9 mph last year to 98.2 mph this season, according to MLB’s Statcast. He’s 1-0 with a 3.55 ERA and seven saves in eight chances this year.

“You definitely lose location and sharpness, and also you lose a little bit of strength,” he said.

The Yankees made the DL stint retroactive to Saturday and recalled right-hander Chad Green from Triple A.